Suppose a representative at car care service center receives a phone call every 4 minutes on average. Find the probability that she receives 4 phone calls in 20 minutes (round off to third decimal place).

Suppose you toss a quarter, a dime and a nickel. Find the sample for all the possible ways the three poins and (heads, tails)

Manual travel 2 hours non-stop to Mexico a total of 90 miles. He took a train part of the way, which averaged 60 mph, and then took a bus the remaining distance, which averaged 30mph. How long was Manuel on the train?

If f (x) = 3x2 - 2x + 5, find f (-2).

D + 3 < 12 a.) d < - 15 b.) d < - 9 c.) d < 15 d.) d < 9

A certain shop repairs both audio and video components. Let A denote the event that the next component brought in for repair is an audio component, and let B be the event that the next component is a compact disc player (so the event B is contained

We are the smallest and largest whole numbers that round to 8000 when rounded to the nearest ten thousand

The graph shows a function that models the value V in millions of dollars of a stock portfolio as a function of time T in months over an 18-month period on what interval is the function decreasing on what interval is the function increasing

On his vacation, Chad spent 1/8 of the day swimming, 1/6 of the day shopping, and 1/4 of the day water skiing. How much of the day was left?

The equation of a line is x + 3y = 14. What is the y-intercept of the line? -14 14/3 14 314

What percent is equivalent to 1840? A. 18% B. 22% C. 40% D. 45%